MA51269B1 - Tôle d'acier laminée à froid et revêtue et son procédé de fabrication - Google Patents

Tôle d'acier laminée à froid et revêtue et son procédé de fabrication

Info

Publication number
MA51269B1
MA51269B1 MA51269A MA51269A MA51269B1 MA 51269 B1 MA51269 B1 MA 51269B1 MA 51269 A MA51269 A MA 51269A MA 51269 A MA51269 A MA 51269A MA 51269 B1 MA51269 B1 MA 51269B1
Authority
MA
Morocco
Prior art keywords
steel sheet
manufacturing
same
rolled steel
bainite
Prior art date
Application number
MA51269A
Other languages
English (en)
Other versions
MA51269A (fr
Inventor
Samaneh Alibeigi
Original Assignee
Arcelormittal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of MA51269A publication Critical patent/MA51269A/fr
Publication of MA51269B1 publication Critical patent/MA51269B1/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236Cold rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273Final recrystallisation annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

L'invention concerne une tôle d'acier laminée à froid et traitée thermiquement ayant une composition comprenant les éléments suivants, exprimés en pourcentage en poids : 0,11 % ≤ carbone ≤ 0,15 %, 1,1 % ≤ manganèse ≤ 1,8 %, 0,5 % ≤ silicium ≤ 0,9 %, 0,002 % ≤ phosphore ≤ 0,02 %, 0 % ≤ soufre ≤ 0,003 %, 0 % ≤ aluminium ≤ 0,05 %, 0% ≤ azote ≤ 0,007 % et peut contenir un ou plusieurs des éléments facultatifs suivants : 0,05 % ≤ chrome ≤ 1 %, 0,001 % ≤ molybdène ≤ 0,5 %, 0,001 % ≤ niobium ≤ 0,1 %, 0,001 % ≤ titane ≤ 0,1 %, 0,01 % ≤ cuivre ≤ 2 %, 0,01 % ≤ nickel ≤ 3 %, 0,0001 % ≤ calcium ≤ 0,005 %, 0 % ≤ vanadium ≤ 0,1 %, 0 % ≤ bore ≤ 0,003 %, 0 % ≤ cérium ≤ 0,1 %, 0 % ≤ magnésium ≦ 0,010 %, 0 % ≤ zirconium ≦ 0,010 %, le reste étant composé de fer et des impuretés inévitables, la microstructure de ladite tôle d'acier comprenant 50 à 80 % de ferrite, 10 à 30 % de bainite, 1 à 10 % d'austénite résiduelle et 1 % à 5 % de martensite, les quantités cumulées de bainite et d'austénite résiduelle étant supérieures ou égales à 25 %.
MA51269A 2017-12-19 2018-10-22 Tôle d'acier laminée à froid et revêtue et son procédé de fabrication MA51269B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/IB2017/058131 WO2019122965A1 (fr) 2017-12-19 2017-12-19 Tôle d'acier laminée à froid et revêtue et son procédé de fabrication
EP18797154.4A EP3728668B1 (fr) 2017-12-19 2018-10-22 Tôle d'acier laminée à froid et revêtue et son procédé de fabrication
PCT/IB2018/058188 WO2019123034A1 (fr) 2017-12-19 2018-10-22 Tôle d'acier laminée à froid et revêtue et son procédé de fabrication

Publications (2)

Publication Number Publication Date
MA51269A MA51269A (fr) 2021-03-31
MA51269B1 true MA51269B1 (fr) 2025-07-31

Family

ID=61007725

Family Applications (1)

Application Number Title Priority Date Filing Date
MA51269A MA51269B1 (fr) 2017-12-19 2018-10-22 Tôle d'acier laminée à froid et revêtue et son procédé de fabrication

Country Status (17)

Country Link
US (1) US12163201B2 (fr)
EP (1) EP3728668B1 (fr)
JP (1) JP7117381B2 (fr)
KR (1) KR102471559B1 (fr)
CN (1) CN111448329A (fr)
BR (1) BR112020008666B1 (fr)
CA (1) CA3081941C (fr)
ES (1) ES3038414T3 (fr)
FI (1) FI3728668T3 (fr)
HU (1) HUE072736T2 (fr)
MA (1) MA51269B1 (fr)
MX (1) MX2020006340A (fr)
PL (1) PL3728668T3 (fr)
RU (1) RU2020117987A (fr)
UA (1) UA125769C2 (fr)
WO (2) WO2019122965A1 (fr)
ZA (1) ZA202002411B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3877557A2 (fr) * 2018-11-08 2021-09-15 Coskunoz Kalip Makina Sanayi ve Ticaret A.S. Procédé de production d'acier permettant une absorption d'énergie élevée avec un partitionnement mn et un chauffage rapide
KR102711646B1 (ko) * 2019-10-10 2024-10-04 닛폰세이테츠 가부시키가이샤 냉연강판 및 그 제조 방법
CN114761583B (zh) * 2019-12-13 2024-04-05 安赛乐米塔尔公司 经热处理的冷轧钢板及其制造方法
KR102379444B1 (ko) * 2020-07-22 2022-03-28 주식회사 포스코 성형성 및 가공경화율이 우수한 강판
UA130386C2 (uk) * 2020-09-23 2026-02-04 Арселорміттал Холоднокатаний сталевий лист з покриттям і спосіб його виготовлення
WO2022129994A1 (fr) 2020-12-16 2022-06-23 Arcelormittal Tôle d'acier revêtue et pièce en acier trempé à la presse à haute résistance et son procédé de fabrication
CA3202210A1 (fr) * 2020-12-17 2022-06-23 Arcelormittal Acier revetu presentant de la resistance a la fragilisation par l'hydrogene
CN115181890B (zh) * 2021-04-02 2023-09-12 宝山钢铁股份有限公司 1180MPa级别低碳低合金双相钢及快速热处理制造方法

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JP2005325393A (ja) * 2004-05-13 2005-11-24 Jfe Steel Kk 高強度冷延鋼板およびその製造方法
WO2007067014A1 (fr) * 2005-12-09 2007-06-14 Posco Tole d'acier laminee a froid de haute resistance possedant une excellente propriete de formabilite et de revetement, tole d'acier plaquee de metal a base de zinc fabriquee a partir de cette tole et procede de fabrication de celle-ci
JP4811288B2 (ja) 2007-02-05 2011-11-09 住友金属工業株式会社 高強度冷延鋼板およびその製造方法
JP5223360B2 (ja) 2007-03-22 2013-06-26 Jfeスチール株式会社 成形性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP4894863B2 (ja) 2008-02-08 2012-03-14 Jfeスチール株式会社 加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP4998756B2 (ja) * 2009-02-25 2012-08-15 Jfeスチール株式会社 加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
CA2782777C (fr) * 2010-01-13 2014-11-18 Nippon Steel Corporation Tole d'acier a haute resistance presentant une excellente formabilite, et son procede de production
UA112771C2 (uk) 2011-05-10 2016-10-25 Арселормітталь Інвестігасьон І Десароло Сл Сталевий лист з високою механічною міцністю, пластичністю і формованістю, спосіб виготовлення та застосування таких листів
US9567658B2 (en) * 2011-05-25 2017-02-14 Nippon Steel & Sumitomo Metal Corporation Cold-rolled steel sheet
JP5352793B2 (ja) 2011-09-30 2013-11-27 新日鐵住金株式会社 耐遅れ破壊特性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
CN103827341B (zh) 2011-09-30 2016-08-31 新日铁住金株式会社 热浸镀锌钢板及其制造方法
IN2015DN00521A (fr) * 2012-08-06 2015-06-26 Nippon Steel & Sumitomo Metal Corp
JP5920118B2 (ja) * 2012-08-31 2016-05-18 Jfeスチール株式会社 成形性に優れた高強度鋼板およびその製造方法
WO2016001699A1 (fr) 2014-07-03 2016-01-07 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance présentant une formabilité améliorée, et tôle ainsi obtenue
WO2016001705A1 (fr) 2014-07-03 2016-01-07 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance présentant une aptitude au formage et une ductilité améliorées, et tôle ainsi obtenue
JP6265108B2 (ja) 2014-11-07 2018-01-24 Jfeスチール株式会社 冷延鋼板用または溶融亜鉛めっき鋼板用熱延鋼板およびその製造方法
JP6417977B2 (ja) 2015-01-29 2018-11-07 新日鐵住金株式会社 鋼板ブランク
JP6586776B2 (ja) * 2015-05-26 2019-10-09 日本製鉄株式会社 成形性に優れた高強度鋼板及びその製造方法
US10724114B2 (en) 2015-06-30 2020-07-28 Nippon Steel Corporation High-strength cold-rolled steel sheet, high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet
WO2017126678A1 (fr) 2016-01-22 2017-07-27 Jfeスチール株式会社 Tôle d'acier à haute résistance et son procédé de fabrication
CN108495943B (zh) * 2016-03-25 2021-05-28 日本制铁株式会社 高强度钢板及高强度镀锌钢板

Also Published As

Publication number Publication date
KR20200083599A (ko) 2020-07-08
EP3728668B1 (fr) 2025-07-09
ZA202002411B (en) 2021-03-31
KR102471559B1 (ko) 2022-11-25
PL3728668T3 (pl) 2025-09-08
US20200392596A1 (en) 2020-12-17
CA3081941C (fr) 2022-09-20
ES3038414T3 (en) 2025-10-13
BR112020008666A2 (pt) 2020-10-06
UA125769C2 (uk) 2022-06-01
JP2021507993A (ja) 2021-02-25
MA51269A (fr) 2021-03-31
RU2020117987A3 (fr) 2021-12-01
CN111448329A (zh) 2020-07-24
MX2020006340A (es) 2020-09-03
HUE072736T2 (hu) 2025-12-28
WO2019123034A1 (fr) 2019-06-27
RU2020117987A (ru) 2021-12-01
US12163201B2 (en) 2024-12-10
CA3081941A1 (fr) 2019-06-27
JP7117381B2 (ja) 2022-08-12
EP3728668A1 (fr) 2020-10-28
FI3728668T3 (fi) 2025-08-19
BR112020008666B1 (pt) 2023-11-07
WO2019122965A1 (fr) 2019-06-27

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